Here's an image courtesy of Cardas.
http://gallery.audioasylum.com/cgi/upload.mpl?u=34563&f=DIN_Connector.jpg&v=f&UserImages=34563&session=&invite=&w=594&h=516
http://gallery.audioasylum.com/cgi/upload.mpl?u=34563&f=DIN_Connector.jpg&v=f&UserImages=34563&session=&invite=&w=594&h=516